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Finding the Fourth Proportional to 217,413.66, 300,033.92 and 131,360.67

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Solution

The fourth proportional to 217,413.66, 300,033.92 and 131,360.67 is: 181,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,413.66 : 300,033.92 = 131,360.67 : x
  2. Step 2: Convert to fraction form
    217,413.66/300,033.92 = 131,360.67/x
  3. Step 3: Cross multiply
    217,413.66x = 300,033.92 × 131,360.67
  4. Step 4: Simplify right side
    217,413.66x = 39,412,654,596.95
  5. Step 5: Solve for x
    x = 39,412,654,596.95/217,413.66
  6. Step 6: Final answer
    x = 181,279.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.